Donor material for carbonless copying and coating...

Details Donor material for carbonless copying and coating... Donor material for carbonless copying and coating...

B - Operations, Transporting

41

M

42/10

B41M 5/132 (2006.01)

Patent

CA 1109671

ABSTRACT OF THE DISCLOSURE A donor material for carbonless copying by contact with an acceptor material under applied pressure includes a sheet of paper or the like, and a coating on one face of the sheet. The coating consists essentially of a dye pre- cursor, a wax solid at 20°C and capable of dissolving the precursor, and a liquid activator soluble in the molten wax, but at most sparingly soluble in the solid wax and incap- able of dissolving the dye precursor, the wax and activator being chemically inert to the dye precursor.

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